package com.dang.apj.dao;

import java.util.List;

import com.dang.apj.model.Book;
import com.dang.apj.model.Product;

public interface ProductDao {

	public Book findById(int id) throws Exception ;
	public List<Product> findByHot(int num) throws Exception; 
	public List<Product> findByNew(int num) throws Exception; 
}
